PHP 8.0 set Rule source on GitHub

VersionCompareFuncCallArgumentRector

Streamline the operator argument of the version_compare() function

-version_compare(PHP_VERSION, '5.6', 'gte');
+version_compare(PHP_VERSION, '5.6', 'ge');

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Php80\Rector\FuncCall\VersionCompareFuncCallArgumentRector;

return RectorConfig::configure()
    ->withRules([
        VersionCompareFuncCallArgumentRector::class,
    ]);

Other rules in the PHP 8.0 set